Ancient aliens seed the primordial oceans of Earth with protoplasmic material found on other worlds, then return millennia later to see what they have wrought. They not only observe the human civilizations they find, they contact some of them, conducting investigative studies. When they leave, they decide to cull large groups of humans and their environs, which they convey across the galaxy and transplant onto another world to continue their study. Ultimately this great speciation experiment will have unexpected and dire consequences for the experimenters. Meanwhile, on this new world, a...

In a future world, where the creation of artificial humans has led to a caste of "non-people," the fight for civil rights takes on new meaning. Zach was just a guy looking for a novel one-night stand. Mary was searching for her place in the world. They found each other. A loner who's an expert on lust but a novice when it comes to love, falls for a naive but beautiful androne. He teaches her what it means to be human, but can't give her what she really wants--her freedom. Asimov's Science Fiction magazine describes Mortals All as "Steeped in the ambience of classic 1950's Galaxy...

This book presents state-of-the-art research and practice in optimization routing, specifically the vehicle routing problem (VRP).   Since its introduction in the late 1950s, the VRP has been a very significant area of research and practice in operations research.  Vehicles are used to make deliveries and for pick-ups every day and everywhere.  Companies such as Amazon, UPS, FedEx, and DHL use route optimization to reduce mileage, fuel use, number of trucks on the road, and carbon dioxide emissions.  The authors compile and analyze 135 survey and review articles on vehicle routing topics...